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Journal of Dental and Maxillofacial Surgery a Treatment Approach to Unilateral Sinusitis with a Cutaneous Fistula

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Journal of Dental and Maxillofacial Surgery a Treatment Approach to Unilateral Sinusitis with a Cutaneous Fistula ISSN: 2578-7683 Case Report Journal of Dental and Maxillofacial Surgery A Treatment Approach to Unilateral Sinusitis with a Cutaneous Fistula: Case Report on a Complication Involving a Zygoma Quad Restoration Implant Ventin R1*, Martín S2, Juarez I3, Mesalles A4, Lopez del MJ5 and Piriz RL6 1School of Medicine, Department of Surgery, University of Lleida, Spain 2Primary care Physician, National Health Service, Lleida, Spain 3Oral and Maxillofacial Surgery Staff, University Hospital of Lleida, Lleida, Spain. 4Medical Doctor, University Hospital of Lleida, Lleida, Spain. 5Faculty of Dentistry, University of the Basque Country, Guipuzcoa, Spain 6Faculty of Medicine, Universidad Complutense de Madrid, Madrid, Spain *Correspondence: Ramon Ventin Palacin, University Hospital of Lleida, Department of Oral and Maxillofacial Surgery, Rovira Roure 80, 25198 Lleida, Spain, E-Mail: ventin@cirurgía.udl.cat Received: October 05, 2018; Accepted: November 23, 2018; Published: November 28, 2018 Abstract The rehabilitation of severely resorbed maxillae containing zygoma implants is a non-grafting treatment option that presents many advantages for patients. It is not, however, free from complications and the most frequent of those reported in the literature is sinusitis. A cutaneous fistula is a less frequent complication, but one that requires more than routine dental treatment and usually calls for maxillofacial surgery. Here, we present the case of a 64-year-old male suffering from sinusitis and with a cutaneous periorbital fistula as a complication; this occurred 8 years after the patient received dental rehabilitation with four zygomatic implants. This clinical report suggests that the trans-sinus apicoectomy of ZIs. Combined with antrostomy, presents satisfactory initial results and is a viable, one stage surgical alternative to treat sinusitis with cutaneous fistula, in the context of a complication involving a fixed dental prosthesis restoration of ZIs. Keywords: Zygoma implant, Zygoma quad, Implant complications, Sinusitis, Cutaneous fistula. Abbreviations: CBCT: Cone Beam Computed Tomography; TNLA: Trans nasal Lower Antrostomy; TZIA: Trans-sinusal Zygoma Implant Apicoectomy; ZIs: Zygoma Implants Introduction using ZIs by Brånemark (1998), several authors have made improvements and modifications to the original technique Zygomatic implant therapy was introduced as a way of [3]. The aim of these modifications has been to avoid accomplishing dental implant osseointegration in difficult complications and simplify the technique. Hence, Stella & cases without the need for bone grafting [1]. The procedure Warne (2000) introduced the sinus slot technique in order reduces morbidity, particularly in elderly patients and to exteriorize the implant and thereby avoid the intrasinus those with generally compromised health, in cases in which complications reported in the original technique described bone grafting would otherwise be hazardous. The total by Professor Brånemark [4]. Since then, several authors treatment time and cost are also be reduced in comparison have reported different degrees of technical refinements with traditional rehabilitation therapy such as bone grafts including the exteriorizing of ZIs from the maxilla [5]. [2]. Since the classical description of surgical placement J Den Max Surg, 1(1): 71-77 (2018) 71 Increasing the number of ZIs used in rehabilitation has also been proposed [6]. The use of immediate loading protocols has been shown to alter previous quality of life scores in treated patients [7]. However, this technique has also produced complications: the probability of a maxillary sinus presenting sinusitis is 2.4%; the chance of soft tissue infection around implants is 2.0%; and the risk of paresthesia of the infraorbital or zygomaticus-facialis nerve is 1% [8]. Figure 2: CBCT image. The aim of this study is to find a conservative approach treatment from the prosthesis point of view to treat severe complications successfully. The total release of implants has been described in the treatment options by the literature, but total function loose and the possibility to create an iatrogenic oro-antral communication difficult to close is the main concern. Case Report We present the case of a 64-year-old Caucasian male smoker (consuming more than 10 cigarettes/day) and has type II diabetes. He was under medical treatment with oral hypoglycaemiants and suffered hypertension controlled by medical treatment. The patient had received treatment Figure 3: CBCT- 3D reconstruction. at a private dental clinic, 8 years earlier. He had a fixed bridge supported by four ZIs (Ti-Unite®, Nobel Biocare AB, Göteborg, Sweden). A provisional screwed over-denture was delivered 24 hours after initial surgery. The patient had not been subjected to any kind of control at the clinic after the definitive dentures were installed 6 months after surgery. The patient came to the emergency unit of our hospital with periorbital erythema and a cutaneous fistula with purulent exudate on the face (Figure 1). CBCT scan were performed (Figure 2, 3) which revealed sinus occupation (Figure 4) and leucocytosis, with 18,000 cells in the routine blood analysis. Orthopantomography (Figure 5). Figure 4: Sinus occupation with purulent exudate. After 5 days of oral antibiotic treatment, which gave poor results, patient came back again to the hospital showing a spontaneous fistula on the thin palpebral skin, treated with antiseptic topic solution and facial aposit by his primary care physician four days after our antibiotic initial treatment. See the patient at this stage in figure 6. Figure 1: Facial abscess in the periorbital skin, previous to the spontaneous fistulisation. J Den Max Surg, 1(1): 71-77 (2018) 72 hemisection of the two left-hand implants, to complete the ZIs. Apicoectomy, there by reaching the purulent exudate shown in the image (Figure 7). We then carefully lifted the apical parts of the implants anchored in the periorbital zygomatic bone (Figure 8). The upper implant was removed using diamond-coated premolar forceps (KLS Martin Ergo®, Gebrüder Martin GmbH, Germany). The operation respected the inferior parts of both implants, which were anchored in the left maxillary part of the crestal bone (Figure9). Figure 5: Orthopantomogram showing the distribution of zygoma quad implants, with left sinusal radiological hyperdensity. Note the superimposed left medial implant with its apex in the orbital fossae. Figure 7: Subperiosteal view after lifting the mucoperiosteal flap. Figure 6: 1 day after spontaneous fistulisation on the lower periorbital thin palpebral skin, obtaining a hemo- purulent exudate but the erythema and oedema was persistent around the periorbital region. The same day a surgical procedure was performed to Figure 8: Trans-sinusal zygoma implant Apicoectomy treat the complication at our oral and maxillofacial unit, (TZIA) made with a surgical (027 in.) round tungsten- under general anaesthesia. carbide bur (Hager & Meisinger GmbH, Neuss, Germany). Purulent sinusal exudate flowed after cutting the implant. The surgical procedure began with a left-sided Caldwell– We cut into both left-sided implants. Luc mucosal incision which respected the infraorbital nerves. An incision was made to lift a full-thickness flap and expose the surgical site in order to access the ZIs in the extrasinus path (Figure 6). With around carbide surgical bur and profuse irrigation we performed a trans-sinus J Den Max Surg, 1(1): 71-77 (2018) 73 weeks during a period of four months patient was visited in our hospital, small scar on the thin sub palpebral skin was note in the healing of the cutaneous fistula from the beginning (Figure 11). Figure 9: The apical zygoma portion with the adhesion of hemo-purulent exudate to the treated surface of the Figure 11: Facial scar after 6 months of healed the implant (Ti-Unite®Nobel Biocare AB, Göteborg, Sweden). cutaneous fistula, (see the arrow). Note the signs of infection in the holes in the apical implant. Almost every month was performed a control panoramic X-ray. No clinical signs of sinusitis or radiological A trans nasal lower antrostomy (TNLA) was performed hyperdensity were detected with 1 year follow up. in the left maxillary bone accompanied by suction of the purulent exudate in order to re-establish sinus ventilation Discussion and restore normal sinus physiology. We left a gauze with ophthalmic ointment Chlortetracycline hydrochloride The concept of implant periapical pathology was (Oftalmolosacusí® Halcón-Cusí S.A. Barcelona, Spain) in introduced in 1993 by Sussman & Moss, as an infectious- a trans nasal apposite for 48 hours to retard the natural inflammatory disorder of the tissues surrounding the tendency to close and also in order to have a postoperative apex of a dental implant [9]. Ayangco and Sheridan control of potential nasal bleeding. performed periapical surgery over a conventional implant and they also mentioned the possibility of sectioning the implant apex in those cases where complete removal of the granular tissue is not assured, and when the location involves the maxillary sinus or nasal cavity [10]. We hypothesised the cutaneous fistula may be a particular ZIs. Periapical pathology, and that´s why we propose a ZIs. Apicoectomy to treat it, in the same way dental periapical lesions may be treated surgically with dental apicoectomy. However, the cutaneous fistula often exceeds the therapeutic range of conventional dental practice, usually calling for treatment by oral and maxillofacial surgeons,
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